CVE-2026-57998better-npm-audit OS Command Injection via registry flag
Updated under an hour ago ()
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It affects jeemok better-npm-audit. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
better-npm-audit through 3.11.0, and the 4.0.0-rc.2 prerelease, builds its npm audit command by interpolating the user-supplied --registry option into a command string in src/handlers/handleInput.ts without validation or quoting, then passes that string to child_process.exec() in index.ts, which spawns a shell. A registry value containing shell metacharacters such as a semicolon, pipe, or command substitution executes arbitrary operating system commands with the privileges of the process running the audit.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Aug 29, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
jeemok better-npm-audit jeemok:better_npm_audit (from the name) | through 3.11.0; 4.0.0-rc.2 | CNA record |
References
- https://github.com/jeemok/better-npm-audit/issues/119issue-tracking
- https://github.com/jeemok/better-npm-auditproduct
- https://github.com/jeemok/better-npm-audit/blob/fd99a0f41ff4342b8a0a6fdbe5a17261de3d0544/src/handlers/handleInput.ts#L30-L37technical-description
- https://github.com/jeemok/better-npm-audit/blob/fd99a0f41ff4342b8a0a6fdbe5a17261de3d0544/index.ts#L34technical-description
- https://github.com/jeemok/better-npm-audit/pull/120issue-tracking, patch
- https://www.vulncheck.com/advisories/better-npm-audit-os-command-injection-via-registry-flagthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.